Courses by National Institute of Social Development (NISD) / Courses in Gazette / Courses in Sri LankaTwo Year Diploma in Social Work 2018 / 2019 – National Institute of Social Development (NISD) October 13, 2017November 26, 2017 Closing Date – 2017-November-10 Advertisement Sinhala Edition Preview Download Advertisement (Sinhala Edition) Download Application (Sinhala Edition) Instructions to Candidates Contact Numbers : 011-2882506 – 11 / 011-2076021 Email – [email protected] Source – Gazette (2017.10.06)